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open lake forecast for lake ontario
national weather service buffalo ny
1035 am edt mon may 20 2024

for waters beyond five nautical miles of shore on lake ontario

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...a 30.0 inch area of high pressure along the carolinas
will hold firm along the coast through tuesday then drift out to 
sea tuesday night. a 29.2 inch low near lake superior wednesday 
morning will send a cold front across the lake wednesday night 
into thursday. a 30.0 inch high over the upper mississippi valley 
on thursday will build across the great lakes region thursday 
night and friday.


loz063>065-202115-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1035 am edt mon may 20 2024

.this afternoon...southwest winds less than 10 knots becoming
north. waves 1 foot or less. 
.tonight...southeast winds 10 knots or less becoming south. waves
1 foot or less. 
.tuesday...south winds 10 knots or less. waves 1 foot or less. 
.tuesday night...south winds 5 to 15 knots. waves 2 feet or less.
.wednesday...south winds 5 to 15 knots becoming southwest. a
chance of showers and thunderstorms during the day, then showers
likely with a chance of thunderstorms wednesday night. waves
2 feet or less. 
.thursday...southwest winds 10 to 15 knots becoming west. showers
likely during the day. waves 1 to 3 feet building to 2 to 4 feet,
then subsiding to 1 to 3 feet. 
.friday...west winds 5 to 15 knots becoming north. waves 1 to
3 feet. 

winds and waves higher in and near thunderstorms.

$$

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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1034 am edt mon may 20 2024


slz022-024-202115-
saint lawrence river from cape vincent to saint regis
1034 am edt mon may 20 2024

.this afternoon...southwest winds 5 to 10 knots. mostly sunny. 
.tonight...southwest winds 10 knots or less. mainly clear early,
then becoming mostly cloudy. 
.tuesday...southwest winds 5 to 10 knots. a chance of showers and
thunderstorms in the morning, then showers and thunderstorms
likely in the afternoon. 
.tuesday night...southwest winds 10 knots or less. showers likely
with a chance of thunderstorms in the evening. 
.wednesday...southwest winds 5 to 10 knots. a chance of showers
and thunderstorms during the day, then showers likely with a
chance of thunderstorms wednesday night. 
.thursday...southwest winds 5 to 15 knots becoming west. a chance
of showers and thunderstorms during the day, then a chance of
showers thursday night. 
.friday...west winds 10 knots or less becoming northwest. partly
cloudy. 

winds and waves higher in and near thunderstorms.

$$